T r u e C r y p t is free open-source disk encryption software for Windows 7/Vista/XP, Mac OS X, and Linux.
This program creates a virtual encrypted disk within a file and mounts it as a real disk.
It encrypts an entire partition or storage device such as USB flash drive or hard drive.
It also encrypts a partition or drive where Windows is installed (pre-boot authentication).
Encryption is automatic, real-time (on-the-fly) and transparent.
Parallelization and pipelining allow data to be read and written as fast as if the drive was not encrypted.
Encryption can be hardware-accelerated on modern processors.
It provides plausible deniability, in case an adversary forces you to reveal the password: hidden volume (steganography) and hidden operating system.
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True Key offers an easier and safer way to unlock your digital world.
Puzzle game for Mac.
A software for establishing and maintaining an on-the-fly-encrypted volume.